String parameter dll function

[Guest]

Hello.
I have troubles giving me a big headache, I hope somebody may help me.
I'm using Indy.Sockets to have FTP support for my VB.NET application (I also
tried with another dll made in C# but the trouble is the same).
The idea is that I added a dll as a reference to my project. There is a FTP
object which have the method put (path as string, name as string, append as
boolean).
Here is the trouble now and I saw a lot of articles on it but it didn't make
it clearer. When giving strings containing accentuated characters (eg. 'é')
to the string arguments, the accentuated characters are replaced by a '?'
causing the ftp upload to file (for example calling "ftp.put
("éééé","é",false) throws the ftp command "STOR ?".
What's the matter and how to solve it ? (maybe I have to convert my string
in an other type of sting but I can't figure out).
Best regards.

 

[GhostInAK]

Hello Wyz,

é is a unicode character. Both the FTP library and the FTP server/OS must
understand unicode.
Unicode is a 2-byte character set.. so if either the Library and/or the server
only understand 1-byte character sets it'll interpret each byte of the 2-byte
character set as an individual character.. thus your problem.

Enjoy,
-Boo

 

[Guest]

Hello.
The FTP Server accepts them, I tested it.
What I don't understand is that how it can be loose from my vb to the dll
method and how to solve it...
Sincerly.

 

[Guest]

Ok.
We found it. The lot of FTP clients are getting a char buffer from which
they get the ascii chars.
My troubles are coming from here as "é" is not in ASCII encoding.
I finally found a C# DLL on which I can update the source code and I
replaced ASCII by the default encoding of the system.
Best regards.